package com.way.flow.fragment

import android.os.Bundle
import androidx.fragment.app.Fragment
import android.view.LayoutInflater
import android.view.View
import android.view.ViewGroup
import android.widget.Toast
import androidx.lifecycle.lifecycleScope
import com.way.flow.R
import com.way.flow.activity.DownloadInfo
import com.way.flow.databinding.FragmentDownloadBinding
import com.way.flow.download.DownloadManager
import kotlinx.coroutines.launch
import java.io.File

// TODO: Rename parameter arguments, choose names that match
// the fragment initialization parameters, e.g. ARG_ITEM_NUMBER
private const val ARG_PARAM1 = "param1"
private const val ARG_PARAM2 = "param2"

/**
 * A simple [Fragment] subclass.
 * Use the [DownloadFragment.newInstance] factory method to
 * create an instance of this fragment.
 */
class DownloadFragment : Fragment() {

    private val url = "http://192.168.10.7:5000/FakeData/images/20190721111528.jpg"
    // TODO: Rename and change types of parameters
    private var param1: String? = null
    private var param2: String? = null

    override fun onCreate(savedInstanceState: Bundle?) {
        super.onCreate(savedInstanceState)
        var map: HashMap<String,String>
        arguments?.let {
            param1 = it.getString(ARG_PARAM1)
            param2 = it.getString(ARG_PARAM2)
        }
    }

    private val mBinding: FragmentDownloadBinding by lazy {
        FragmentDownloadBinding.inflate(layoutInflater)
    }

    override fun onCreateView(
        inflater: LayoutInflater, container: ViewGroup?,
        savedInstanceState: Bundle?
    ): View? {
        // Inflate the layout for this fragment
        return mBinding.root
    }

    override fun onViewCreated(view: View, savedInstanceState: Bundle?) {
        super.onViewCreated(view, savedInstanceState)
        lifecycleScope.launch {
            context?.apply {
                val file = File(getExternalFilesDir(null)?.path, "pic.JPG")
                DownloadManager.download(url, file).collect{ info ->
                    when(info){
                        is DownloadInfo.ProgressInfo ->{
                            val progress : Int = info.progress
                            mBinding.progressBar.setProgress(progress)
                            mBinding.text.text = "当前进度 $progress / 100"
                        }
                        is DownloadInfo.Error -> {
                            Toast.makeText(context, "下载失败：${info.error}", Toast.LENGTH_LONG).show()
                        }
                        is DownloadInfo.Done -> {
                            mBinding.progressBar.setProgress(100)
                            mBinding.text.text = "当前进度 100 / 100"
                            Toast.makeText(context, "下载完成", Toast.LENGTH_LONG).show()
                        }
                        else -> {

                        }
                    }
                }
            }

        }
    }

    companion object {
        /**
         * Use this factory method to create a new instance of
         * this fragment using the provided parameters.
         *
         * @param param1 Parameter 1.
         * @param param2 Parameter 2.
         * @return A new instance of fragment DownloadFragment.
         */
        // TODO: Rename and change types and number of parameters
        @JvmStatic
        fun newInstance(param1: String, param2: String) =
            DownloadFragment().apply {
                arguments = Bundle().apply {
                    putString(ARG_PARAM1, param1)
                    putString(ARG_PARAM2, param2)
                }
            }
    }
}